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- /* SPDX-License-Identifier: GPL-2.0-only */
- #ifndef __ASM_KGDB_H_
- #define __ASM_KGDB_H_
- #ifdef __KERNEL__
- #define GDB_SIZEOF_REG sizeof(unsigned long)
- #define DBG_MAX_REG_NUM (36)
- #define NUMREGBYTES ((DBG_MAX_REG_NUM) * GDB_SIZEOF_REG)
- #define CACHE_FLUSH_IS_SAFE 1
- #define BUFMAX 2048
- #ifdef CONFIG_RISCV_ISA_C
- #define BREAK_INSTR_SIZE 2
- #else
- #define BREAK_INSTR_SIZE 4
- #endif
- #ifndef __ASSEMBLY__
- extern unsigned long kgdb_compiled_break;
- static inline void arch_kgdb_breakpoint(void)
- {
- asm(".global kgdb_compiled_break\n"
- ".option norvc\n"
- "kgdb_compiled_break: ebreak\n"
- ".option rvc\n");
- }
- #endif /* !__ASSEMBLY__ */
- #define DBG_REG_ZERO "zero"
- #define DBG_REG_RA "ra"
- #define DBG_REG_SP "sp"
- #define DBG_REG_GP "gp"
- #define DBG_REG_TP "tp"
- #define DBG_REG_T0 "t0"
- #define DBG_REG_T1 "t1"
- #define DBG_REG_T2 "t2"
- #define DBG_REG_FP "fp"
- #define DBG_REG_S1 "s1"
- #define DBG_REG_A0 "a0"
- #define DBG_REG_A1 "a1"
- #define DBG_REG_A2 "a2"
- #define DBG_REG_A3 "a3"
- #define DBG_REG_A4 "a4"
- #define DBG_REG_A5 "a5"
- #define DBG_REG_A6 "a6"
- #define DBG_REG_A7 "a7"
- #define DBG_REG_S2 "s2"
- #define DBG_REG_S3 "s3"
- #define DBG_REG_S4 "s4"
- #define DBG_REG_S5 "s5"
- #define DBG_REG_S6 "s6"
- #define DBG_REG_S7 "s7"
- #define DBG_REG_S8 "s8"
- #define DBG_REG_S9 "s9"
- #define DBG_REG_S10 "s10"
- #define DBG_REG_S11 "s11"
- #define DBG_REG_T3 "t3"
- #define DBG_REG_T4 "t4"
- #define DBG_REG_T5 "t5"
- #define DBG_REG_T6 "t6"
- #define DBG_REG_EPC "pc"
- #define DBG_REG_STATUS "sstatus"
- #define DBG_REG_BADADDR "stval"
- #define DBG_REG_CAUSE "scause"
- #define DBG_REG_ZERO_OFF 0
- #define DBG_REG_RA_OFF 1
- #define DBG_REG_SP_OFF 2
- #define DBG_REG_GP_OFF 3
- #define DBG_REG_TP_OFF 4
- #define DBG_REG_T0_OFF 5
- #define DBG_REG_T1_OFF 6
- #define DBG_REG_T2_OFF 7
- #define DBG_REG_FP_OFF 8
- #define DBG_REG_S1_OFF 9
- #define DBG_REG_A0_OFF 10
- #define DBG_REG_A1_OFF 11
- #define DBG_REG_A2_OFF 12
- #define DBG_REG_A3_OFF 13
- #define DBG_REG_A4_OFF 14
- #define DBG_REG_A5_OFF 15
- #define DBG_REG_A6_OFF 16
- #define DBG_REG_A7_OFF 17
- #define DBG_REG_S2_OFF 18
- #define DBG_REG_S3_OFF 19
- #define DBG_REG_S4_OFF 20
- #define DBG_REG_S5_OFF 21
- #define DBG_REG_S6_OFF 22
- #define DBG_REG_S7_OFF 23
- #define DBG_REG_S8_OFF 24
- #define DBG_REG_S9_OFF 25
- #define DBG_REG_S10_OFF 26
- #define DBG_REG_S11_OFF 27
- #define DBG_REG_T3_OFF 28
- #define DBG_REG_T4_OFF 29
- #define DBG_REG_T5_OFF 30
- #define DBG_REG_T6_OFF 31
- #define DBG_REG_EPC_OFF 32
- #define DBG_REG_STATUS_OFF 33
- #define DBG_REG_BADADDR_OFF 34
- #define DBG_REG_CAUSE_OFF 35
- extern const char riscv_gdb_stub_feature[64];
- #define kgdb_arch_gdb_stub_feature riscv_gdb_stub_feature
- #endif
- #endif
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